CN106077392B - It is a kind of to prevent processing technology eccentric above and below loose tool - Google Patents
It is a kind of to prevent processing technology eccentric above and below loose tool Download PDFInfo
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- CN106077392B CN106077392B CN201610453909.1A CN201610453909A CN106077392B CN 106077392 B CN106077392 B CN 106077392B CN 201610453909 A CN201610453909 A CN 201610453909A CN 106077392 B CN106077392 B CN 106077392B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21J—FORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES
- B21J5/00—Methods for forging, hammering, or pressing; Special equipment or accessories therefor
- B21J5/06—Methods for forging, hammering, or pressing; Special equipment or accessories therefor for performing particular operations
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21J—FORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES
- B21J1/00—Preparing metal stock or similar ancillary operations prior, during or post forging, e.g. heating or cooling
- B21J1/06—Heating or cooling methods or arrangements specially adapted for performing forging or pressing operations
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21J—FORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES
- B21J5/00—Methods for forging, hammering, or pressing; Special equipment or accessories therefor
- B21J5/06—Methods for forging, hammering, or pressing; Special equipment or accessories therefor for performing particular operations
- B21J5/08—Upsetting
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Abstract
It is a kind of to prevent processing technology eccentric above and below loose tool, belong to fetal membrane processing technique field, the technique is to comprise the steps of：(1) select drain cap that then blank is fixed on lathe as blank；(2) by blank on lathe on the basis of endoporus, in blank large cylindrical turning process a circle groove；(3) blank is put into stove and once heated, is then once incubated, then by blank jumping-up；(4) blank is subjected to reheating, then carries out secondary insulation, then pull out blank；(5) blank is fitted into heat-treatment furnace and is heated to 860~940 DEG C, then isothermal holding, come out of the stove after cooling to room temperature with the furnace；(6) blank is finished, the fetal membrane for the anti-bias up and down being molded.The forging of the fetal membrane forging of the present invention is not in bias, good product quality；The loose tool consumption of raw material of the present invention is few, and process time is short；The loose tool scrappage of the present invention is low, cost-effective.
Description
Technical field
The invention belongs to fetal membrane processing technique field, more particularly to a kind of processing technology for preventing bias above and below loose tool.
Background technology
When forging the forging of short and small two platforms with drain cap, through commonly using existing drain cap or the transformation of the way, but drain cap is cylindrical and forging
Large cylindrical diameter is inconsistent, often occurs forging forging eccentricity issues up and down, causes product rejection.The improved leakage of commonsense method
Disk, raw materials consumption is big, man-hour length, and cannot probably be used again after drain cap processing, wastes big.
The content of the invention
The technical problems to be solved by the invention are to provide a kind of processing technology for preventing bias above and below loose tool.
To solve the above problems, it is of the present invention it is a kind of prevent loose tool eccentric processing technology up and down, the technique be by
Following steps form：
(1) select drain cap that then blank is fixed on lathe as blank；
(2) by blank on lathe on the basis of endoporus, in blank large cylindrical turning process a circle groove, groove exists
It is uniformly distributed in blank large cylindrical；
(3) blank is put into stove and once heated, one time heating-up temperature is 1100~1200 DEG C, is then carried out once
Insulation, a holding temperature are 1100~1200 DEG C, and one time soaking time is 3~4 hours, then places the blanks on lower flat anvil
On, uniform jumping-up, forging ratio is 4.1~4.5；
(4) blank is subjected to reheating, reheating temperature is 830~880 DEG C, then carries out secondary insulation, secondary
Holding temperature is 830~880 DEG C, and secondary soaking time is 2~3 hours, then places the blanks on lower flat anvil, is pulled out,
Forging ratio is 2.8~3.4；
(5) blank is fitted into heat-treatment furnace and is heated to 860~940 DEG C, firing rate is 85~95 DEG C/h, is then incubated
Processing, holding temperature are 860~940 DEG C, and soaking time is 5~6 hours, is come out of the stove after cooling to room temperature with the furnace；
(6) blank is finished, the fetal membrane for the anti-bias up and down being molded.
The number of recesses is 8~16.
The groove diameter is equal with forging large cylindrical diameter.
Compared with prior art, the present invention has advantages below：The forging of the fetal membrane forging of the present invention is not in bias,
Good product quality；The loose tool consumption of raw material of the present invention is few, and process time is short；The loose tool scrappage of the present invention is low, cost-effective.
Embodiment
Embodiment 1
A kind of to prevent processing technology eccentric above and below loose tool, the technique is to comprise the steps of：
(1) select drain cap that then blank is fixed on lathe as blank；
(2) by blank on lathe on the basis of endoporus, in blank large cylindrical turning process a circle groove, groove exists
It is uniformly distributed in blank large cylindrical；Number of recesses is 8；Groove diameter is equal with forging large cylindrical diameter；
(3) blank is put into stove and once heated, one time heating-up temperature is 1100 DEG C, is then once incubated,
Holding temperature is 1100 DEG C, and one time soaking time is 3 hours, is then placed the blanks on lower flat anvil, uniform jumping-up, is forged
Than for 4.1；
(4) blank is subjected to reheating, reheating temperature is 830 DEG C, then carries out secondary insulation, secondary insulation temperature
Spend for 830 DEG C, secondary soaking time is 2 hours, then places the blanks on lower flat anvil, is pulled out, forging ratio 2.8；
(5) blank is fitted into heat-treatment furnace and is heated to 860 DEG C, firing rate is 85 DEG C/h, then isothermal holding, insulation
Temperature is 860 DEG C, and soaking time is 5 hours, is come out of the stove after cooling to room temperature with the furnace；
(6) blank is finished, the fetal membrane for the anti-bias up and down being molded.
It is demonstrated experimentally that loose tool consumption of raw material is minimum under this parameter, process time is most short；Loose tool scrappage is low.
Embodiment 2
A kind of to prevent processing technology eccentric above and below loose tool, the technique is to comprise the steps of：
(1) select drain cap that then blank is fixed on lathe as blank；
(2) by blank on lathe on the basis of endoporus, in blank large cylindrical turning process a circle groove, groove exists
It is uniformly distributed in blank large cylindrical；Number of recesses is 10；Groove diameter is equal with forging large cylindrical diameter；
(3) blank is put into stove and once heated, one time heating-up temperature is 1125 DEG C, is then once incubated,
Holding temperature is 1125 DEG C, and one time soaking time is 3.2 hours, is then placed the blanks on lower flat anvil, uniform jumping-up, is forged
Make than for 4.2；
(4) blank is subjected to reheating, reheating temperature is 840 DEG C, then carries out secondary insulation, secondary insulation temperature
Spend for 840 DEG C, secondary soaking time is 2.3 hours, then places the blanks on lower flat anvil, is pulled out, forging ratio 3；
(5) blank is fitted into heat-treatment furnace and is heated to 880 DEG C, firing rate is 88 DEG C/h, then isothermal holding, insulation
Temperature is 880 DEG C, and soaking time is 5.2 hours, is come out of the stove after cooling to room temperature with the furnace；
(6) blank is finished, the fetal membrane for the anti-bias up and down being molded.
It is demonstrated experimentally that loose tool consumption of raw material is less under this parameter, process time is shorter；Loose tool scrappage is relatively low.
Embodiment 3
A kind of to prevent processing technology eccentric above and below loose tool, the technique is to comprise the steps of：
(1) select drain cap that then blank is fixed on lathe as blank；
(2) by blank on lathe on the basis of endoporus, in blank large cylindrical turning process a circle groove, groove exists
It is uniformly distributed in blank large cylindrical；Number of recesses is 12；Groove diameter is equal with forging large cylindrical diameter；
(3) blank is put into stove and once heated, one time heating-up temperature is 1150 DEG C, is then once incubated,
Holding temperature is 1150 DEG C, and one time soaking time is 3.5 hours, is then placed the blanks on lower flat anvil, uniform jumping-up, is forged
Make than for 4.3；
(4) blank is subjected to reheating, reheating temperature is 855 DEG C, then carries out secondary insulation, secondary insulation temperature
Spend for 855 DEG C, secondary soaking time is 2.5 hours, then places the blanks on lower flat anvil, is pulled out, forging ratio 3.1；
(5) blank is fitted into heat-treatment furnace and is heated to 900 DEG C, firing rate is 90 DEG C/h, then isothermal holding, insulation
Temperature is 900 DEG C, and soaking time is 5.5 hours, is come out of the stove after cooling to room temperature with the furnace；
(6) blank is finished, the fetal membrane for the anti-bias up and down being molded.
It is demonstrated experimentally that loose tool consumption of raw material is less under this parameter, process time is shorter；Loose tool scrappage is minimum.
Therefore, the present embodiment is preferred embodiment.
Embodiment 4
A kind of to prevent processing technology eccentric above and below loose tool, the technique is to comprise the steps of：
(1) select drain cap that then blank is fixed on lathe as blank；
(2) by blank on lathe on the basis of endoporus, in blank large cylindrical turning process a circle groove, groove exists
It is uniformly distributed in blank large cylindrical；Number of recesses is 14；Groove diameter is equal with forging large cylindrical diameter；
(3) blank is put into stove and once heated, one time heating-up temperature is 1175 DEG C, is then once incubated,
Holding temperature is 1175 DEG C, and one time soaking time is 3.7 hours, is then placed the blanks on lower flat anvil, uniform jumping-up, is forged
Make than for 4.4；
(4) blank is subjected to reheating, reheating temperature is 870 DEG C, then carries out secondary insulation, secondary insulation temperature
Spend for 870 DEG C, secondary soaking time is 2.8 hours, then places the blanks on lower flat anvil, is pulled out, forging ratio 3.2；
(5) blank is fitted into heat-treatment furnace and is heated to 920 DEG C, firing rate is 92 DEG C/h, then isothermal holding, insulation
Temperature is 920 DEG C, and soaking time is 5.8 hours, is come out of the stove after cooling to room temperature with the furnace；
(6) blank is finished, the fetal membrane for the anti-bias up and down being molded.
It is demonstrated experimentally that loose tool consumption of raw material is less under this parameter, process time is shorter；Loose tool scrappage is relatively low.
Embodiment 5
A kind of to prevent processing technology eccentric above and below loose tool, the technique is to comprise the steps of：
(1) select drain cap that then blank is fixed on lathe as blank；
(2) by blank on lathe on the basis of endoporus, in blank large cylindrical turning process a circle groove, groove exists
It is uniformly distributed in blank large cylindrical；Number of recesses is 16；Groove diameter is equal with forging large cylindrical diameter；
(3) blank is put into stove and once heated, one time heating-up temperature is 1200 DEG C, is then once incubated,
Holding temperature is 1200 DEG C, and one time soaking time is 4 hours, is then placed the blanks on lower flat anvil, uniform jumping-up, is forged
Than for 4.5；
(4) blank is subjected to reheating, reheating temperature is 880 DEG C, then carries out secondary insulation, secondary insulation temperature
Spend for 880 DEG C, secondary soaking time is 3 hours, then places the blanks on lower flat anvil, is pulled out, forging ratio 3.4；
(5) blank is fitted into heat-treatment furnace and is heated to 940 DEG C, firing rate is 95 DEG C/h, then isothermal holding, insulation
Temperature is 940 DEG C, and soaking time is 6 hours, is come out of the stove after cooling to room temperature with the furnace；
(6) blank is finished, the fetal membrane for the anti-bias up and down being molded.
It is demonstrated experimentally that loose tool consumption of raw material is few under this parameter, process time is short；Loose tool scrappage is low.
Claims (5)
1. a kind of prevent processing technology eccentric above and below loose tool, it is characterised in that：The technique is to comprise the steps of：
(1) select drain cap that then blank is fixed on lathe as blank；
(2) by blank on lathe on the basis of endoporus, in blank large cylindrical turning process a circle groove, groove is in blank
It is uniformly distributed in large cylindrical, the number of recesses is 8~16, and the groove diameter is equal with forging large cylindrical diameter；
(3) blank is put into stove and once heated, one time heating-up temperature is 1100~1175 DEG C, is then once protected
Temperature, a holding temperature are 1100~1175 DEG C, and one time soaking time is 3~4 hours, is then placed the blanks on lower flat anvil,
Uniform jumping-up, forging ratio are 4.1~4.5；
(4) blank is subjected to reheating, reheating temperature is 830~870 DEG C, then carries out secondary insulation, secondary insulation
Temperature is 830~870 DEG C, and secondary soaking time is 2~3 hours, then places the blanks on lower flat anvil, is pulled out, and is forged
Than for 2.8~3.4；
(5) blank is fitted into heat-treatment furnace and is heated to 860~940 DEG C, firing rate is 85~95 DEG C/h, then at insulation
Reason, holding temperature are 860~940 DEG C, and soaking time is 5~6 hours, is come out of the stove after cooling to room temperature with the furnace；
(6) blank is finished, the fetal membrane for the anti-bias up and down being molded.
2. a kind of according to claim 1 prevent processing technology eccentric above and below loose tool, it is characterised in that：The technique be by with
Lower step composition：
(1) select drain cap that then blank is fixed on lathe as blank；
(2) by blank on lathe on the basis of endoporus, in blank large cylindrical turning process a circle groove, groove is in blank
It is uniformly distributed in large cylindrical；Number of recesses is 8；Groove diameter is equal with forging large cylindrical diameter；
(3) blank is put into stove and once heated, one time heating-up temperature is 1100 DEG C, is then once incubated, once
Holding temperature is 1100 DEG C, and one time soaking time is 3 hours, is then placed the blanks on lower flat anvil, uniform jumping-up, forging ratio is
4.1；
(4) blank is subjected to reheating, reheating temperature is 830 DEG C, then carries out secondary insulation, secondary holding temperature is
830 DEG C, secondary soaking time is 2 hours, then places the blanks on lower flat anvil, is pulled out, forging ratio 2.8；
(5) blank is fitted into heat-treatment furnace and is heated to 860 DEG C, firing rate is 85 DEG C/h, then isothermal holding, holding temperature
For 860 DEG C, soaking time is 5 hours, is come out of the stove after cooling to room temperature with the furnace；
(6) blank is finished, the fetal membrane for the anti-bias up and down being molded.
3. a kind of according to claim 1 prevent processing technology eccentric above and below loose tool, it is characterised in that：The technique be by with
Lower step composition：
(1) select drain cap that then blank is fixed on lathe as blank；
(2) by blank on lathe on the basis of endoporus, in blank large cylindrical turning process a circle groove, groove is in blank
It is uniformly distributed in large cylindrical；Number of recesses is 10；Groove diameter is equal with forging large cylindrical diameter；
(3) blank is put into stove and once heated, one time heating-up temperature is 1125 DEG C, is then once incubated, once
Holding temperature is 1125 DEG C, and one time soaking time is 3.2 hours, is then placed the blanks on lower flat anvil, uniform jumping-up, forging ratio
For 4.2；
(4) blank is subjected to reheating, reheating temperature is 840 DEG C, then carries out secondary insulation, secondary holding temperature is
840 DEG C, secondary soaking time is 2.3 hours, then places the blanks on lower flat anvil, is pulled out, forging ratio 3；
(5) blank is fitted into heat-treatment furnace and is heated to 880 DEG C, firing rate is 88 DEG C/h, then isothermal holding, holding temperature
For 880 DEG C, soaking time is 5.2 hours, is come out of the stove after cooling to room temperature with the furnace；
(6) blank is finished, the fetal membrane for the anti-bias up and down being molded.
4. a kind of according to claim 1 prevent processing technology eccentric above and below loose tool, it is characterised in that：The technique be by with
Lower step composition：
(1) select drain cap that then blank is fixed on lathe as blank；
(2) by blank on lathe on the basis of endoporus, in blank large cylindrical turning process a circle groove, groove is in blank
It is uniformly distributed in large cylindrical；Number of recesses is 12；Groove diameter is equal with forging large cylindrical diameter；
(3) blank is put into stove and once heated, one time heating-up temperature is 1150 DEG C, is then once incubated, once
Holding temperature is 1150 DEG C, and one time soaking time is 3.5 hours, is then placed the blanks on lower flat anvil, uniform jumping-up, forging ratio
For 4.3；
(4) blank is subjected to reheating, reheating temperature is 855 DEG C, then carries out secondary insulation, secondary holding temperature is
855 DEG C, secondary soaking time is 2.5 hours, then places the blanks on lower flat anvil, is pulled out, forging ratio 3.1；
(5) blank is fitted into heat-treatment furnace and is heated to 900 DEG C, firing rate is 90 DEG C/h, then isothermal holding, holding temperature
For 900 DEG C, soaking time is 5.5 hours, is come out of the stove after cooling to room temperature with the furnace；
(6) blank is finished, the fetal membrane for the anti-bias up and down being molded.
5. a kind of according to claim 1 prevent processing technology eccentric above and below loose tool, it is characterised in that：The technique be by with
Lower step composition：
(1) select drain cap that then blank is fixed on lathe as blank；
(2) by blank on lathe on the basis of endoporus, in blank large cylindrical turning process a circle groove, groove is in blank
It is uniformly distributed in large cylindrical；Number of recesses is 14；Groove diameter is equal with forging large cylindrical diameter；
(3) blank is put into stove and once heated, one time heating-up temperature is 1175 DEG C, is then once incubated, once
Holding temperature is 1175 DEG C, and one time soaking time is 3.7 hours, is then placed the blanks on lower flat anvil, uniform jumping-up, forging ratio
For 4.4；
(4) blank is subjected to reheating, reheating temperature is 870 DEG C, then carries out secondary insulation, secondary holding temperature is
870 DEG C, secondary soaking time is 2.8 hours, then places the blanks on lower flat anvil, is pulled out, forging ratio 3.2；
(5) blank is fitted into heat-treatment furnace and is heated to 920 DEG C, firing rate is 92 DEG C/h, then isothermal holding, holding temperature
For 920 DEG C, soaking time is 5.8 hours, is come out of the stove after cooling to room temperature with the furnace；
(6) blank is finished, the fetal membrane for the anti-bias up and down being molded.
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| CN201610453909.1A CN106077392B (en) | 2016-06-20 | 2016-06-20 | It is a kind of to prevent processing technology eccentric above and below loose tool |
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| CN201610453909.1A CN106077392B (en) | 2016-06-20 | 2016-06-20 | It is a kind of to prevent processing technology eccentric above and below loose tool |
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| CN113878077A (en) * | 2021-09-18 | 2022-01-04 | 中车资阳机车有限公司 | Shoulder cutter for forging large flange and forging method |
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| CN101220442B (en) * | 2007-12-06 | 2010-06-02 | 上海大学 | Hot work die steel with high-heat stability and high-strength |
| CN101722260B (en) * | 2009-12-10 | 2011-04-27 | 中冶陕压重工设备有限公司 | Free forging method of forge piece of rotary arms |
| CN102912236B (en) * | 2012-11-13 | 2014-05-07 | 北京科技大学 | High-performance and abrasion-resistant hot work die steel and technology for manufacturing same |
| CN103014488B (en) * | 2012-12-01 | 2015-07-15 | 滁州市成业机械制造有限公司 | Die steel for alloy compression casting and processing method thereof |
| CN104174796B (en) * | 2014-08-08 | 2016-01-20 | 东北大学 | A kind of production method of thermonuclear fusion heap stainless steel heavy forging |
| CN104148559B (en) * | 2014-08-26 | 2016-05-18 | 吉林圆方机械集团有限公司 | The forging method of flange plate shaft tube |
| CN104313462A (en) * | 2014-09-28 | 2015-01-28 | 宝山钢铁股份有限公司 | High wear-resistant hot-stamping die steel and manufacturing method thereof |
| CN104722687A (en) * | 2015-03-03 | 2015-06-24 | 江苏凌飞锻造有限公司 | Forging method for 55NiCrMoV7 die steel |
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